hometown/app/lib/activitypub/activity.rb
Eugen Rochko dd7ef0dc41 Add ActivityPub inbox (#4216)
* Add ActivityPub inbox

* Handle ActivityPub deletes

* Handle ActivityPub creates

* Handle ActivityPub announces

* Stubs for handling all activities that need to be handled

* Add ActivityPub actor resolving

* Handle conversation URI passing in ActivityPub

* Handle content language in ActivityPub

* Send accept header when fetching actor, handle JSON parse errors

* Test for ActivityPub::FetchRemoteAccountService

* Handle public key and icon/image when embedded/as array/as resolvable URI

* Implement ActivityPub::FetchRemoteStatusService

* Add stubs for more interactions

* Undo activities implemented

* Handle out of order activities

* Hook up ActivityPub to ResolveRemoteAccountService, handle
Update Account activities

* Add fragment IDs to all transient activity serializers

* Add tests and fixes

* Add stubs for missing tests

* Add more tests

* Add more tests
2017-08-08 21:52:15 +02:00

110 lines
2.3 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::Activity
include JsonLdHelper
def initialize(json, account)
@json = json
@account = account
@object = @json['object']
end
def perform
raise NotImplementedError
end
class << self
def factory(json, account)
@json = json
klass&.new(json, account)
end
private
def klass
case @json['type']
when 'Create'
ActivityPub::Activity::Create
when 'Announce'
ActivityPub::Activity::Announce
when 'Delete'
ActivityPub::Activity::Delete
when 'Follow'
ActivityPub::Activity::Follow
when 'Like'
ActivityPub::Activity::Like
when 'Block'
ActivityPub::Activity::Block
when 'Update'
ActivityPub::Activity::Update
when 'Undo'
ActivityPub::Activity::Undo
end
end
end
protected
def status_from_uri(uri)
ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
end
def account_from_uri(uri)
ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
end
def object_uri
@object_uri ||= @object.is_a?(String) ? @object : @object['id']
end
def redis
Redis.current
end
def distribute(status)
notify_about_reblog(status) if reblog_of_local_account?(status)
notify_about_mentions(status)
crawl_links(status)
distribute_to_followers(status)
end
def reblog_of_local_account?(status)
status.reblog? && status.reblog.account.local?
end
def notify_about_reblog(status)
NotifyService.new.call(status.reblog.account, status)
end
def notify_about_mentions(status)
status.mentions.includes(:account).each do |mention|
next unless mention.account.local? && audience_includes?(mention.account)
NotifyService.new.call(mention.account, mention)
end
end
def crawl_links(status)
return if status.spoiler_text?
LinkCrawlWorker.perform_async(status.id)
end
def distribute_to_followers(status)
DistributionWorker.perform_async(status.id)
end
def delete_arrived_first?(uri)
key = "delete_upon_arrival:#{@account.id}:#{uri}"
if redis.exists(key)
redis.del(key)
true
else
false
end
end
def delete_later!(uri)
redis.setex("delete_upon_arrival:#{@account.id}:#{uri}", 6.hours.seconds, uri)
end
end